Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6299340 | Feeding apparatus and method in spiral engagement of extruder | Baiyuan Lu, Pengzhen Liu | 2001-10-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6299340 | Feeding apparatus and method in spiral engagement of extruder | Baiyuan Lu, Pengzhen Liu | 2001-10-09 |